Thanks a lot Vishakha for ...

Published November 23, 2012 08:50 by Stephen Siwila, THE COPPERBELT UNIVERSITY (ZAMBIA) - LECTURER- WATER SUPPLY AND ENVIRONMENTAL ENGINEERING

Thanks a lot Vishakha for sharing this great information. This will highly help me in a good number of sanitation issues. As you may be aware in most developing countries sanitation is the a huge problem.In fact there is a good number of households without a toilet.